<template>
  <div class="login">
    <div class="login_box">
      <!-- 头像 -->
      <div class="avatar_box">
        <img src="../assets/logo.png" alt="" />
      </div>
      <!-- 登录表单 -->
      <el-form class="login_form" :model="form" :rules="loginRules" ref="loginRef">
        <!-- 用户名 -->
        <el-form-item prop="username">
          <el-input placeholder="请输入用户名" prefix-icon="el-icon-search iconfont icon-wode" v-model="form.username"></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item prop="password">
          <el-input placeholder="请输入密码" prefix-icon="el-icon-search iconfont icon-suoding" v-model="form.password" type="password" show-password></el-input>
        </el-form-item>
        <!-- 按钮 -->
        <el-form-item class="buttons">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info" @click="resetLogin">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>

export default {
  name: 'login',
  props: [''],
  data () {
    return {
      // 表单数据绑定
      form: {
        username: 'admin',
        password: '123456'
      },
      // 表单验证规则
      loginRules: {
        // 用户名
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符之间', trigger: 'blur' }
        ],
        // 密码
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 6, max: 15, message: '长度在 6 到 15 个字符之间', trigger: 'blur' }

        ]
      }
    }
  },

  components: {},

  computed: {},

  beforeMount () { },

  mounted () { },

  methods: {
    // 重置按钮
    resetLogin () {
      // console.log(this)
      this.$refs.loginRef.resetFields()
    },
    // 登录按钮
    login () {
      this.$refs.loginRef.validate(async (valid) => {
        // console.log(valid)
        if (!valid) {
          return this.$message.warning('请输入用户名和密码')
        }
        const { data: result } = await this.$http.post('login', this.form)
        // console.log(result)
        if (result.meta.status !== 200) {
          return this.$message.error('登陆失败')
        }
        this.$message.success('登陆成功')
        // 储存token值
        window.sessionStorage.setItem('token', result.data.token)
        // 跳转页面
        this.$router.push('/home')
      })
    }
  },

  watch: {}

}

</script>
<style lang='less' scoped>
.login {
  background-color: #2b4b6b;
  height: 100%;
}

.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);

  .avatar_box {
    height: 130px;
    width: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    top: -50%;
    transform: translate(-50%, 50%);
    background-color: #fff;
    img {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #eee;
    }
  }

  .buttons {
    display: flex;
    justify-content: flex-end;
  }

  .login_form {
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
  }
}
</style>
